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Southwest Highlands

Confidence

High for the general weather situation, but low to medium for details on showers.

  • This evening
  • Tuesday
  • Wednesday
  • Further outlook

Monday 23 April 2018

Sunrise: 05:54   Sunset: 20:43
Moon phase: First quarter

Cloudy with outbreaks of rain or sleet this evening.

Tuesday 24 April 2018

Weather hazards

Severe chill effect Medium likelihood Hide detail

Wind significantly lowers the ‘feels-like’ temperature relative to the actual temperature, with even moderate winds significantly adding to the chilling effect. Strong winds can result in a severe and debilitating wind chill many degrees below the actual temperature. This effect will be enhanced in rain or wet snow. Without protection, prolonged exposure could result in frost nip or frostbite on exposed parts of the body and/or hypothermia.

Gales Low likelihood Show detail

Gale force winds (gusts over 50mph) make walking difficult and strenuous with a potential to be blown over by gusts. There is often a marked increase in winds through cols or on exposed ridges and summits. Distances can take longer to cover and compass bearings become harder to follow accurately.

Poor visibility Low likelihood Show detail

Poor visibility presents challenging route finding conditions. Visibility could be significantly less than 50 metres in all directions with few or no visual references, especially on featureless moors or plateaux. Distances become hard to judge and cliff or cornice edges can be difficult to recognise. These conditions require good navigational skills. There is a risk of white-out conditions when mist or fog is combined with extensive snow cover.

Strong sunlight Low likelihood Show detail

Harmful UV levels from sunlight increase with altitude giving a greater risk of sunburn and eye damage, even on some overcast days. On breezy days, the cooling effect of wind on exposed skin may disguise any feeling of sunburn until it is too late. If there is snow cover, glare increases the effect of UV rays especially on the eyes. It is advisable to wear sun block, protective clothing such as a long-sleeved top and hat and have good quality eye protection.

Headline

A mixture of sunny spells and scattered showers.

Weather at 800m

00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
Sleet shower night Sleet shower night Sleet shower day Sleet shower day Sleet shower day Sleet shower day Sleet shower day Sleet shower night
40% 40% 40% 40% 40% 40% 40% 40%
Chance of precipitation
1,100 900 1,000 1,000 1,000 1,100 1,000 1,000
Freezing level (m)
The level above which snow is expected to settle or the ground is expected to be frozen

Wind speed and direction (mph) By altitude above mean sea level

00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
1300m SW 36 46 SW 35 46 SW 32 41 SW 28 38 SW 24 34 SW 23 31 SW 18 25 SW 18 23
900m W 30 40 W 29 39 W 27 36 W 24 33 W 21 30 SW 18 26 SW 16 22 SW 15 21
600m SW 27 36 SW 26 36 SW 23 32 SW 20 29 SW 18 27 SW 16 24 SW 13 19 SW 13 17
300m SW 13 24 SW 13 24 SW 12 22 SW 11 21 SW 10 22 SW 10 22 SW 7 15 SW 6 11
Glen SW 8 23 SW 9 25 SW 9 23 SW 9 23 SW 9 24 SW 8 22 SW 6 16 SW 4 12

Temperature (°C) By altitude above mean sea level

00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
1300m -1 -2 -2 -2 -1 -1 -1 -2
900m 1 1 1 1 2 2 2 1
600m 4 3 3 3 5 5 4 3
300m 6 5 5 6 7 7 7 6
Glen 8 7 7 8 10 10 9 7

Feels like temperature (°C) By altitude above mean sea level

00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
1300m -10 -11 -11 -10 -9 -8 -8 -8
900m -6 -7 -7 -6 -4 -3 -4 -4
600m -3 -4 -3 -2 0 0 0 -1
300m 2 1 1 3 4 5 4 3
Glen 6 5 5 6 8 8 8 6
Sunrise: 05:51   Sunset: 20:45
Moon phase: First quarter

Weather

Clear spells and sleet showers overnight. Sunny spells through the morning with a few showers, these becoming more frequent and possibly heavy in the afternoon. These will turn wintry above 900m. Showers will gradually become confined to the west in the evening.

Chance of cloud-free mountain/hill tops at 800m

Occasional at 700m, but occasional patches at 500m overnight in west.

Visibility

Good or very good, but dropping to moderate or poor in rain/sleet/snow.

Met Office Aberdeen meteorologist's view

Gusts of 50mph are expected overnight mainly across the tops.

Wednesday 25 April 2018

Sunrise: 05:49   Sunset: 20:47
Moon phase: First quarter

Weather

Mostly dry overnight with occasional wintry showers in west. Sunshine and showers (wintry above 800m) will follow, with showers becoming more frequent through the day, some heavy and possibly thundery in the afternoon. Showers will become confined to the west in the evening with clear spells elsewhere.

Maximum wind speed expected

Southwest wind 20mph gusting 30-35mph.

Chance of cloud-free mountain/hill tops at 800m

Occasional at 700m, with patches at 500m in west.

Temperature

  • At 800m Around Zero Celsius.
  • Glen Plus 2 Celsius in the morning, rising to Plus 12 Celsius in the afternoon.
  • Freezing level Around 1000m.

Visibility

Good or very good, but dropping to moderate or poor in rain/sleet/snow.

Thursday 26 April 2018

Sunrise: 05:46   Sunset: 20:49
Moon phase: Waxing gibbous

Sunny spells and occasional showers, some on the heavy side. Strong westerly winds. Freezing level around 900m.

Friday 27 April 2018

Sunrise: 05:44   Sunset: 20:51
Moon phase: Waxing gibbous

Similar to Thursday's weather with fresh westerly winds. Freezing level around 800m.

Saturday 28 April 2018

Sunrise: 05:42   Sunset: 20:53
Moon phase: Waxing gibbous

Drier but cloudier with a few showers possible. Easing winds. Freezing level at 800m.

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